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svetlana [45]
3 years ago
8

Krystal bought a dishwasher from a rental center for $543.67. She makes 12 monthly payments of $48.62 with her credit card. The

rental center charges $1.75 for every purchase made with a credit card. She also had to pay late fees in the amount of $45 four different times. What is the total cost of the dishwasher?
a.) $583.44
b.) $604.44
c.) $763.44
d.) $784.44
Mathematics
2 answers:
Murljashka [212]3 years ago
8 0
B.) $604.44 is your answer
hammer [34]3 years ago
6 0

The answer is NOT B.) $604.44, unlike what <em>some people </em>are saying for free points.


The answer is D.) $784.44

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What is the value of x?
Paul [167]

Answer:

x= 85 is the answer. ( because exterior angle of a triangle is equal to 2 non adjacent interior angle of a triangle..)

3 0
3 years ago
You must design a closed rectangular box of width w, length l and height h, whose volume is 504 cm3. The sides of the box cost 3
Charra [1.4K]

Answer:

Dimensions will be

Length = 7.23 cm

Width = 7.23 cm

Height = 9.64 cm

Step-by-step explanation:

A closed box has length = l cm

width of the box = w cm

height of the box = h cm

Volume of the rectangular box = lwh

504 = lwh

h=\frac{504}{lw}

Sides which involve length and width and height, cost = 3 cents per cm²

Top and bottom of the box costs = 4 cents per cm²

Cost of the sides C_{s}= 3[2(l + w)h] = 6(l + w)h

C_{s}= 3[2(l + w)h]

C_{s}=6(l+w)(\frac{504}{lw} )

Cost of the top and the bottom C_{(t,p)}= 4(2lw) = 8lw

Total cost of the box C = 3024\frac{(l+w)}{lw} + 8lw

                                      = 3024[\frac{1}{l}+\frac{1}{w}] + 8lw

To minimize the cost of the sides

\frac{dC}{dl}=3024(-l^{-2}+0)+8w=0

\frac{3024}{l^{2}}=8w

\frac{378}{l^{2}}=w ---------(1)

\frac{dC}{dw}=3024(-w^{-2})+8l=0

\frac{3024}{w^{2}}=8l

\frac{378}{w^{2}}=l

w^{2}=\frac{378}{l}-------(2)

Now place the value of w from equation (1) to equation (2)

(\frac{378}{l^{2}})^{2}=\frac{378}{l}

\frac{(378)^{2} }{l^{4}}=\frac{378}{l}

l³ = 378

l = ∛378 = 7.23 cm

From equation (2)

w^{2}=\frac{378}{7.23}

w^{2}=52.28

w = 7.23 cm

As lwh = 504 cm³

(7.23)²h = 504

h=\frac{504}{(7.23)^{2}}

h = 9.64 cm                        

6 0
3 years ago
What is the least common multiple of 19 and 14?
vodomira [7]
The lest common multiple of 19 and 14 is 266

hope this helped
8 0
3 years ago
Please help me with this question im too slow to answer
kakasveta [241]

Answer:

92

Step-by-step explanation:

w=7

x=4

y=8

z=1

8^2 + 2(4) + 3 (7) -1

64 + 2 * 4 + 3  * 7 -1

64 + 8 + 21 - 1

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6 0
3 years ago
Read 2 more answers
Please answer!! will give brainliest!
ella [17]

Answer:

average mean not sure please

7 0
3 years ago
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